Search results
Dec 10, 2021 · A Brief Algorithm for Vitamin D Dosing. As mentioned above, even for Vit. D risk group patients, recent measurements of serum 25-OH-D are not always available. Therefore, presuming that the true levels of 25OH-D for many individuals could be below 75 nmol/L, it is reasonable to suggest starting vit.
- Safety of 50,000-100,000 Units of Vitamin D3/Week in Vitamin ...
Vitamin D3 therapy (50,000-100,000 IU/week) was safe and...
- DRIVING UP THE DOSE: IMPLICATIONS FOR HIGH-DOSE VITAMIN D THERAPY
In the United States, high-dose bolus vitamin D is typically...
- Safety of 50,000-100,000 Units of Vitamin D3/Week in Vitamin ...
Sep 25, 2021 · ] adult white patients with vitamin D deficiency admitted to ICU for surgical or medical problems received a dose of 540,000 IU once followed by monthly doses of 90,000 IU for 5 months. They observed that the treatment did not reduce hospital length of stay, hospital mortality, or 6-month mortality.
- Overview
- Symptoms and Causes
- Diagnosis and Tests
- Management and Treatment
- Prevention
- Outlook / Prognosis
- Living With
If you take too much supplemental or prescription vitamin D, it can lead to vitamin D toxicity. The main complication of this is moderate to severe hypercalcemia, which can cause symptoms like vomiting, increased thirst and frequent urination.
Contents
Arrow Down
OverviewSymptoms and CausesDiagnosis and TestsManagement and TreatmentPreventionOutlook / PrognosisLiving With
Contents
Arrow Down
What are the symptoms of vitamin D toxicity?
The symptoms of vitamin D toxicity are mainly due to hypercalcemia. They include: Decrease in appetite. Nausea and vomiting. Constipation. Dehydration. Increased thirst (polydipsia). Frequent urination. Confusion, lethargy and fatigue. Muscle weakness and difficulty walking. Bone pain. Kidney stones. Advertisement
What causes vitamin D toxicity?
Vitamin D toxicity most often results from taking too much prescription-strength vitamin D or too much of an over-the-counter vitamin D supplement. If you’re taking a vitamin D supplement, you should periodically get blood work to test your level of vitamin D. Excessive sun exposure doesn’t cause vitamin D toxicity. Consuming too much vitamin D from your diet alone very rarely leads to vitamin D toxicity.
How is vitamin D toxicity diagnosed?
Healthcare providers rely on the following to diagnose vitamin D toxicity: Your symptoms. A history of your medications and supplements. Vitamin D blood tests. A calcium blood test. Kidney function tests. Advertisement
How is vitamin D toxicity treated?
Treatment for vitamin D toxicity mainly involves lowering the level of calcium in your blood. To do this, a healthcare provider will: Have you stop taking all vitamin D and calcium supplements until further notice. Give you IV fluids to treat dehydration. Give you corticosteroids and bisphosphonates (medications) in cases of severe toxicity to block bone resorption. In rare cases, due to significant kidney damage, you may need hemodialysis to get rid of excessive calcium. Care at Cleveland Clinic Find a Primary Care Provider Schedule an Appointment
How can I prevent vitamin D toxicity?
There are some steps you can take to prevent vitamin D toxicity, including: Talk to your healthcare provider before starting a vitamin D supplement. Don’t take more vitamin D supplements than what your provider recommends. Don’t take more prescription vitamin D than what your provider prescribes. If you take prescription vitamin D, make sure you get regular blood tests to monitor the level of vitamin D in your blood. Store your vitamin D supplements and/or prescriptions in a safe place away from children and pets.
What is the prognosis for vitamin D toxicity?
The prognosis (outlook) for vitamin D toxicity is generally good with treatment. In most cases, people recover without any serious complications.
When should I see my healthcare provider about vitamin D toxicity?
If you’ve been taking a vitamin D supplement and you develop symptoms of vitamin D toxicity, such as persistent increased thirst, frequent urination and nausea and vomiting, see a healthcare provider as soon as possible. If you take prescription vitamin D, be sure to see your provider regularly so they can monitor your levels of vitamin D. A note from Cleveland Clinic Taking too much of a vitamin D supplement or prescription can lead to vitamin D toxicity. The good news is that this complication is relatively rare and usually doesn’t cause prolonged issues once it’s treated. If you have any questions about getting enough vitamin D or other nutrients, talk to your healthcare provider. They’re available to help you. Medically Reviewed Last reviewed by a Cleveland Clinic medical professional on 02/21/2023. Learn more about our editorial process.
Mar 1, 2022 · The blood level of 25(OH)D will peak about 12 hours after a single dose of 50,000 IU. Knowing this about oral absorption of vitamin D allows for provocative testing in patients with suspected malabsorption of the vitamin. To test for malabsorption, a blood sample is drawn immediately before administering a 50,000-IU oral dose of vitamin D.
People also ask
How many IU are in a vitamin D supplement?
What is high-dose vitamin D therapy?
How common is vitamin D supplementation?
Oct 2, 2023 · For vitamin D levels between 25 nmol/L and 75 nmol/L, the recommended dosage for adults is still 50,000 IU once weekly for 8 weeks. The recommended dosage for children ages 11 and older is 25,000 IU once weekly for 8 weeks.
